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Field experience overview: investigating sources of indoor air quality problems in office buildings.

Authors
Wallingford-KM; Carpenter-J
Source
Proceedings of the ASHRAE Conference IAQ'86, Managing Indoor Air for Health and Energy Conservation, April 20-23, 1986; Atlanta, Georgia, American Society of Heating, Refrigerating and Air-Conditioning Engineers, Inc. 1986:448-453
Link
NIOSHTIC No.
00173240
Abstract
The methodology of NIOSH indoor air quality investigations was described, and the results of 356 such investigations completed between 1971 and 1985 were reviewed. These investigations had been requested by employee groups, unions, management, and local, state, and federal agencies. The NIOSH investigators developed a consistent, solution oriented approach to examination of indoor air quality problems defined as one of exclusion, whereby investigators pursued a continually narrowing range of possibilities. The NIOSH investigatory team to usually included an industrial hygienist and a physician/epidemiologist, with occasional participation by other professionals such as engineers. Investigations usually consisted of the following components: background assessment, initial site assessment, and secondary site assessments as necessary. Background assessment was performed by telephone or mailed questionnaire, and initial site assessment usually consisted of a walk through evaluation, personal interviews, and environmental monitoring. Follow up visits were required in cases where no specific problem could be identified after the initial visit. Evaluations were categorized in the 365 cases as follows: contamination from the building fabric, 4 percent; microbiological contamination, 5 percent; contamination from outside the building, 11 percent; contamination from inside the building, 19 percent; inadequate ventilation, 50 percent; and unknown, 11 percent.
Keywords
Construction-materials; Microorganisms; Exhaust-gases; Pollutants; Air-contamination; Air-quality-measurement; Ventilation-systems
Publication Date
19860101
Document Type
Conference/Symposia Proceedings
Fiscal Year
1986
NTIS Accession No.
NTIS Price
Source Name
Proceedings of the ASHRAE Conference IAQ'86, Managing Indoor Air for Health and Energy Conservation, April 20-23, 1986; Atlanta, Georgia, American Society of Heating, Refrigerating and Air-Conditioning Engineers, Inc.
State
GA
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